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Finding the Fourth Proportional to 275,391.52, 380,163.58 and 168,004.35

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Solution

The fourth proportional to 275,391.52, 380,163.58 and 168,004.35 is: 231,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,391.52 : 380,163.58 = 168,004.35 : x
  2. Step 2: Convert to fraction form
    275,391.52/380,163.58 = 168,004.35/x
  3. Step 3: Cross multiply
    275,391.52x = 380,163.58 × 168,004.35
  4. Step 4: Simplify right side
    275,391.52x = 63,869,134,731.56
  5. Step 5: Solve for x
    x = 63,869,134,731.56/275,391.52
  6. Step 6: Final answer
    x = 231,921.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.